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Colas Rail,
international leader
in rail infrastructures

∙ 5,600 employees
∙ 12 areas of expertise
in over 20 countries
∙ runs over 4,000 sites
every year


areas of expertise

A range of 12 areas of expertise
covering the whole life cycle
of railway infrastructures

Design – Construction - Maintenance

  A range of 12 areas of expertise<br />
covering the whole life cycle<br />
of railway infrastructures


Proven expertise
on our projects

  • Ada bridge tramway
  • The Nîmes – Montpellier loop: A mixed line, the first in France
  • A new metro line for the inhabitants of the Vietnamese capital
  • Midland Metro Alliance


    Four values
    that set us apart

    At Colas Rail, we believe that our corporate culture and our four values are our finest assets. We put Safety, Ethics, People and Excellence at the heart of everything we do.



    our top priority

    Our human capital is our greatest resource.
    It is our duty to preserve it by building a culture
    of prevention and shared vigilance. Safety has always
    been one of our major commitments and remains
    the key challenge for all of our personnel.

      Safety,<br />
our top priority


    In step
    with your ambitions

    It is our philosophy to take care of and nurture our human capital, as together we are destined to have a real impact on tomorrow’s world.

    • Margaux
      Site manager
      I joined Colas Rail for its reputation, the size of the Group and the career opportunities.
    • Ibrahim
      Maintenance engineer
      What sets Colas Rail apart from its competitors? The fact that it covers nearly all of the business areas in a major rail project, and its extensive operations abroad.
    • Inès
      QSE officer
      Colas Rail trains people who are passionate about the rail industry, by giving us substantial freedom and scope in our work, and through its specialised subsidiaries.